add check for inf, if inf, mark as not same

Author: auderson

pandas/core/_numba/kernels/var_.py

@@ -21,7 +21,7 @@ def add_var(
 ) -> tuple[int, float, float, float, int, float]:
     if not np.isnan(val):
 
-        if val == prev_value:
+        if val == prev_value and not np.isinf(val):
             num_consecutive_same_value += 1
         else:
             num_consecutive_same_value = 1